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\bibitem{Ryabchun_etal2006} Ryabchun, S., Tong, C. -yu E., Blundell, R., Kimberk, R., \& Gol{\textquoteright}tsman, G. (2006). Effect of microwave radiation on the stability of terahertz hot-electron bolometer mixers. In M. Anwar, A. J. DeMaria, \& M. S. Shur (Eds.), \textit{Proc. SPIE} (Vol. 6373, 63730J (1 to 5)). SPIE.

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